<template>
  <div>
    <div id="background">
      <div id="login">
        <div style="flex: 1">
          <img src="../assets/账户.png" alt="" style="width: 90%;margin: 20px">
        </div>
        <div style="flex: 1;display: flex;align-items: center;justify-content: center">
          <el-form :model="user" style="width: 80%" :rules="rules" ref="loginRef">
            <div style="font-size: 20px;font-weight: bold;text-align: center;margin-bottom: 5%">欢迎登录酒店预约网站</div>
            <el-form-item prop="username">
              <el-input prefix-icon="el-icon-user" size="medium" placeholder="请输入账号"
                        v-model="user.username"></el-input>
            </el-form-item>
            <el-form-item prop="password">
              <el-input prefix-icon="el-icon-lock" size="medium" show-password placeholder="请输入密码"
                        v-model="user.password"></el-input>
            </el-form-item>
            <el-form-item prop="code">
              <div style="display: flex">
                <el-input prefix-icon="el-icon-check" style="flex: 1" size="medium" placeholder="请输入验证码"
                          v-model="user.code"></el-input>
                <div style="flex: 1;height: 36px">
                  <ValidCode @update:value="getCode"/>
                </div>
              </div>
            </el-form-item>
            <el-form-item>
              <el-button type="primary" style="width: 100%" @click="login" @keyup.enter="login">登 录</el-button>
            </el-form-item>
            <div style="display: flex">
              <div style="flex: 1">还没有账号？请<span style="color: #1890ff;cursor: pointer"
                                                      @click="$router.push('register')">注册</span>
              </div>
<!--              <div style="flex: 1;text-align: right"><span style="color: #1890ff; cursor:pointer "-->
<!--                                                           @click="handleForgetPass">忘记密码</span></div>-->
            </div>
          </el-form>
        </div>
      </div>
      <el-dialog title="忘记密码" :visible.sync="forgetPassDialogVis" width="30%">
        <el-form :model="forgetUserForm" label-width="80px" style="padding-right: 20px">
          <el-form-item label="用户名">
            <el-input v-model="forgetUserForm.username" autocomplete="off" placeholder="请输入用户名"></el-input>
          </el-form-item>
          <el-form-item label="手机号">
            <el-input v-model="forgetUserForm.phone" autocomplete="off" placeholder="请输入手机号"></el-input>
          </el-form-item>
        </el-form>
        <div slot="footer" class="dialog-footer">
          <el-button @click="forgetPassDialogVis = false">取 消</el-button>
          <el-button type="primary" @click="resetPassword">确 定</el-button>
        </div>
      </el-dialog>
    </div>
  </div>
</template>
<script>
import ValidCode from "@/components/ValidCode.vue";

export default {
  name: "login",
  components: {
    ValidCode
  },
  data() {
    // 验证码校验
    const validateCode = (rule, value, callback) => {
      if (value === '') {
        callback(new Error('请输入验证码'))
      } else if (value.toLowerCase() !== this.code) {
        callback(new Error('验证码错误'))
      } else {
        callback()
      }
    }
    return {
      forgetUserForm: {},   // 忘记密码的表单数据
      forgetPassDialogVis: false,
      code: '',//验证码组件传来的code
      user: {
        code: '',//表单里用户输入的code
        username: '',
        password: '',
        role: ''
      },
      rules: {
        username: [
          {required: true, message: '请输入账号', trigger: 'blur'},
        ],
        password: [
          {required: true, message: '请输入密码', trigger: 'blur'},
        ],
        code: [
          {validator: validateCode, trigger: 'blur'}
        ],
      }
    }
  },
  created() {
  },
  mounted() {
    localStorage.removeItem('user')//清除当前的用户数据
  },
  methods: {

    keyDown(e) {
      if (e.keyCode === 13) {
        this.login()
      }
    },

    handleForgetPass() {   //  初始化表单的数据
      this.forgetUserForm = {}
      this.forgetPassDialogVis = true
    },
    resetPassword() {
      this.$request.put('/password', this.forgetUserForm).then(res => {
        if (res.code === '200') {
          this.$message.success('重置成功')
          this.forgetPassDialogVis = false
        } else {
          this.$message.error(res.msg)
        }
      })
    },

    getCode(code) {
      console.log(code)
      this.code = code.toLowerCase()
    },
    login() {
      this.$refs['loginRef'].validate((valid) => {
            if (valid) {
              //验证通过
              this.$request.post('http://localhost:8000/login/', this.user).then(res => {
                    if (res.code === '200') {
                      // res.data.role '用户' '商家' '管理员'
                      console.log(res.data)
                      if (res.data.role == "用户") {
                        this.$router.push('/userHome')
                        this.$router.go(0); // 刷新页面
                      } else if (res.data.role == "商家") {
                        this.$router.push('/business/businessHome')
                      } else if (res.data.role == "管理员") {
                        this.$router.push('/manage/manageHome')
                      }
                      this.$message.success("登录成功！")
                      localStorage.setItem("user", JSON.stringify(res.data))  // 存储用户数据
                    } else {
                      this.$message.error(res.msg)
                      localStorage.removeItem("user") // 登录失败时清除本地存储中的用户数据
                    }
                  }
              )
            }
          }
      )
    }
  }
}
</script>

<style>
#background {
  height: 100vh !important;
  width: 100% !important;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #86cae7;
}

#login {
  display: flex;
  background-color: white;
  border-radius: 5px;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  width: 50%;
}
</style>